人教版八年级英语下册unit9 Have you ever been to a museum？第三课时课件.ppt

Unit 9 Have you ever been to a museum?; 2.Where do you want to travel /go on a vacation? ;Last year, I visited the West Lake in Hangzhou.;A: Have you ever been to …?;; 现在完成时由主语＋have/has＋过去分词构成。 其主要用法如下：;在学习这一概念的同时，还应注意常与现在完成时连用的几个副词：already, just, ever, yet, never等。already, just多用于肯定句中，ever, yet, never多用于疑问句和否定句中。 如：I?have?already?finished?my?homework． 我已经做完家庭作业了。??? He?has?just?had?his?meal．他刚吃过饭。 Have?you?ever?sung?this?English?song？ 你曾唱过这首英文歌吗？??? They?havent?started?yet. 他们还没有身。??? We?have?never?heard?of?it． 我们从来没有听说过这件事。;现在完成时表示过去已经开始，持续到现在,也许还会持续下去的动作或状态。可以和表示延续的时间状语连用。 如for、since 等引导的时间状语。（注意：句中谓语动词要用延续性动词）; Exercises: 1. My parents have come back already. (改为否定句) My parents _______ ______ back ____. 2. The boys have been to Japan lots of times. (改为一般疑问句) _______ the boys _______ to Japan lots of times? 3. I have been to the theme park three times. (对划线部分提问) _____ ______ times have you been to the theme park? 4. The movie has been on for half an hour. (对划线部分提问) _____ _______ has the movie been on? 用for ，since 填空 1)We haven’t seen each other ____ a long time. 2) His father has been in the Party _____ 10 years ago. 3) The film has been on _____ 20 minutes. 4) Mr Green has worked here ______ he came to China. ;have / has been (to) 表示“曾经到过某地”，说话时此人不在那里，已经回来。侧重指经历。 have / has gone (to) 表示某人“已经去某地了”，说话时此人可能在路上或已到那里，反正不在这里。 have / has been (in) 意为“已经在某地呆了多长时间”，常与表示一段时间的状语连用。;1) where’s Jim? He ___________ Guilin. 2) She ____________ the park, she will be back in two hours. 3) We have ___________ the bookshop and bought many books. 4) My father ___________ Beijing twice. 5) My parents ___________ Shandong for 10 years. 6) --- Jack, I haven’t seen your brother for a long time. --- He ____________ shanghai on business for two months.; 比较：I have seen the film. 我看过这部电影。 (我了解这部电影的内容) I saw the film last month.